SMA SB 1200 Installation - Manual (Page 52)

Failure Search SMA Solar Technology AG
52 SB12-17-IA-en-52 Installation Guide
9 Failure Search
If the inverter displays blink codes or error messages other than those described in the following
section, contact the SMA Serviceline.
In the user manual provided, you will also find a description of the display messages during operation,
the status messages and measuring channels.
Do not try to carry out repairs other than those described here. Instead, use the SMA Solar
Technology AG 24-hour replacement service (the inverter will be ready for dispatch within 24 hours
and sent to a forwarding agency) and repair service
9.1 LED Codes
Green Red Yellow Status
Glows continuously Is not glowing Is not glowing OK (feeding operation)
Glows continuously Is not glowing Ground fault or varistor
defective
Glows continuously OK (initialization)
Flashes quickly
(3 x per second) Is not glowing Is not glowing OK (stop)
Glows continuously Is not glowing Ground fault or varistor
defective
Flashes slowly
(1 x per second) Is not glowing Is not glowing OK (waiting, grid monitoring)
Glows continuously Is not glowing Ground fault or varistor
defective
Briefly goes out
(Approx. 1x per
second) Is not glowing Is not glowing OK (derating)
Glows continuously Is not glowing Ground fault or varistor
defective
Is not glowing Is not glowing Is not glowing OK (nighttime deactivation)
Glowing/flashing Disturbance
Glows continuously Is not glowing Ground fault or varistor
defective
Glowing/flashing Ground fault or varistor
defective and disturbance